Author's Note:

17-year old Haru Kaidou meets an uncivilized 8-year Ren who is also his new third youngest brother. As soon as Ren was accepted into the Kaidou family, things suddenly get a new turn with Haru's and Ren's relationship. Innocent as ever and does not have a clue of what love is, will Ren be able to cope up with Haru's advances?